from typing import Union
from fastapi import FastAPI
import uvicorn

FASTAPI_PORT = 7761
app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World on port %d" % (FASTAPI_PORT, )}


@app.get("/item/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}

